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Audio and Video Talk
The Vintage Audio Section
Old Loudspeakers, no more
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<blockquote data-quote="chrisc" data-source="post: 1115273" data-attributes="member: 746"><p>I recall the Ionophone in the 1960's at Hamrad. A friend bought two and there was a strange smell from them after a few minutes. His Dad, who was an industrial chemist, volunteered the information that this unit was producing ozone, which he said was poisonous</p><p></p><p>He did not forbid us to use it, but said we must always keep the windows open when playing them</p><p></p><p>Those panels marketed under the Goodman's name are Acoustic Resistance Units. The only time I saw these incorporated into a design was in Japan some years back. My friend Takagashi who is hot in his audio club, has a few sets of these. He says there is nostalgia for what they call "British Sound" and these have found favour</p><p></p><p>You can still buy them, or the modern equivalent at: <a href="https://gemhall.sakura.ne.jp/cqrlm-axiom80.htm" target="_blank">https://gemhall.sakura.ne.jp/cqrlm-axiom80.htm</a></p><p></p><p>Unfortunately the whole website is in Japanese so I understand less than 1/10th of it. They supply a dimensional drawing to assist builders</p><p></p><p>[ATTACH=full]15119[/ATTACH] [ATTACH=full]15120[/ATTACH]</p></blockquote><p></p>
[QUOTE="chrisc, post: 1115273, member: 746"] I recall the Ionophone in the 1960's at Hamrad. A friend bought two and there was a strange smell from them after a few minutes. His Dad, who was an industrial chemist, volunteered the information that this unit was producing ozone, which he said was poisonous He did not forbid us to use it, but said we must always keep the windows open when playing them Those panels marketed under the Goodman's name are Acoustic Resistance Units. The only time I saw these incorporated into a design was in Japan some years back. My friend Takagashi who is hot in his audio club, has a few sets of these. He says there is nostalgia for what they call "British Sound" and these have found favour You can still buy them, or the modern equivalent at: [URL]https://gemhall.sakura.ne.jp/cqrlm-axiom80.htm[/URL] Unfortunately the whole website is in Japanese so I understand less than 1/10th of it. They supply a dimensional drawing to assist builders [ATTACH type="full"]15119[/ATTACH] [ATTACH type="full"]15120[/ATTACH] [/QUOTE]
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Audio and Video Talk
The Vintage Audio Section
Old Loudspeakers, no more
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